2278530466 has 16 divisors (see below), whose sum is σ = 3577002624. Its totient is φ = 1086490944.

The previous prime is 2278530461. The next prime is 2278530467. The reversal of 2278530466 is 6640358722.

It is not an unprimeable number, because it can be changed into a prime (2278530461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57990 + ... + 88993.

It is an arithmetic number, because the mean of its divisors is an integer number (223562664).

Almost surely, 2^2278530466 is an apocalyptic number.

2278530466 is a deficient number, since it is larger than the sum of its proper divisors (1298472158).

2278530466 is a wasteful number, since it uses less digits than its factorization.

2278530466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147345.

The product of its (nonzero) digits is 483840, while the sum is 43.

The square root of 2278530466 is about 47733.9550634556. The cubic root of 2278530466 is about 1315.8860410893.

The spelling of 2278530466 in words is "two billion, two hundred seventy-eight million, five hundred thirty thousand, four hundred sixty-six".